BWN_PHY_SYNCCTL
syncctl = BWN_PHY_READ(mac, BWN_PHY_SYNCCTL);
BWN_PHY_MASK(mac, BWN_PHY_SYNCCTL, 0xff7f);
BWN_PHY_WRITE(mac, BWN_PHY_SYNCCTL, syncctl);
sav->phy_syncctl = BWN_PHY_READ(mac, BWN_PHY_SYNCCTL);
BWN_PHY_WRITE(mac, BWN_PHY_SYNCCTL, tmp & 0xff7f);
BWN_PHY_WRITE(mac, BWN_PHY_SYNCCTL, sav->phy_syncctl);